pgModeler is an open source software and you can get its source code anytime if you want to compile it for yourself. As a facility, we provide compiled binary packages at a really small price. Also, if you're interested in evaluate a binary package, you can get a demo copy before proceed with the purchasing. Since this is an independent project by ordering any binary package you'll help to keep its development alive and at full speed!
Purchase an access key and support this project. Pay using PayPal™ or Bitcoins and enjoy ready-to-use packages.
Get the binary packages by using an access key previously purchased.
If you want to compile pgModeler for yourself you can grab the source code from the official repository.